Home / 989,776.10-1,365,186.65-908,367.29

Finding the Fourth Proportional to 989,776.10, 1,365,186.65 and 908,367.29

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Solution

The fourth proportional to 989,776.10, 1,365,186.65 and 908,367.29 is: 1,252,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,776.10 : 1,365,186.65 = 908,367.29 : x
  2. Step 2: Convert to fraction form
    989,776.10/1,365,186.65 = 908,367.29/x
  3. Step 3: Cross multiply
    989,776.10x = 1,365,186.65 × 908,367.29
  4. Step 4: Simplify right side
    989,776.10x = 1,240,090,895,830.94
  5. Step 5: Solve for x
    x = 1,240,090,895,830.94/989,776.10
  6. Step 6: Final answer
    x = 1,252,900.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.